258386518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{63299}}^1$

素因数の和:63471

約数の個数: 16

約数和(自身を含む): 420058800

約数和(自身を除く): 161672282

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 63299, 126598, 822887, 1645774, 9937943, 19875886, 129193259, 258386518]

約数ペア:

[(1, 258386518), (2, 129193259), (13, 19875886), (26, 9937943), (157, 1645774), (314, 822887), (2041, 126598), (4082, 63299)]